---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-6907 6.8.0-90-generic #91-Ubuntu SMP PREEMPT_DYNAMIC Tue Nov 18 14:14:30 UTC 2025 x86_64 x86_64 x86_64 GNU/Linux ---> lscpu: Architecture: x86_64 CPU op-mode(s): 32-bit, 64-bit Address sizes: 40 bits physical, 48 bits virtual Byte Order: Little Endian CPU(s): 2 On-line CPU(s) list: 0,1 Vendor ID: AuthenticAMD Model name: AMD EPYC-Rome Processor CPU family: 23 Model: 49 Thread(s) per core: 1 Core(s) per socket: 1 Socket(s): 2 Stepping: 0 BogoMIPS: 5599.99 Flags: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 syscall nx mmxext fxsr_opt pdpe1gb rdtscp lm rep_good nopl cpuid extd_apicid tsc_known_freq pni pclmulqdq ssse3 fma cx16 sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand hypervisor lahf_lm cmp_legacy svm cr8_legacy abm sse4a misalignsse 3dnowprefetch osvw topoext perfctr_core ssbd ibrs ibpb stibp vmmcall fsgsbase tsc_adjust bmi1 avx2 smep bmi2 rdseed adx smap clflushopt clwb sha_ni xsaveopt xsavec xgetbv1 clzero xsaveerptr wbnoinvd arat npt nrip_save umip rdpid arch_capabilities Virtualization: AMD-V Hypervisor vendor: KVM Virtualization type: full L1d cache: 64 KiB (2 instances) L1i cache: 64 KiB (2 instances) L2 cache: 1 MiB (2 instances) L3 cache: 32 MiB (2 instances) NUMA node(s): 1 NUMA node0 CPU(s): 0,1 Vulnerability Gather data sampling: Not affected Vulnerability Itlb multihit: Not affected Vulnerability L1tf: Not affected Vulnerability Mds: Not affected Vulnerability Meltdown: Not affected Vulnerability Mmio stale data: Not affected Vulnerability Reg file data sampling: Not affected Vulnerability Retbleed: Mitigation; untrained return thunk; SMT disabled Vulnerability Spec rstack overflow: Vulnerable: Safe RET, no microcode Vulnerability Spec store bypass: Mitigation; Speculative Store Bypass disabled via prctl Vulnerability Spectre v1: Mitigation; usercopy/swapgs barriers and __user pointer sanitization Vulnerability Spectre v2: Mitigation; Retpolines; IBPB conditional; STIBP disabled; RSB filling; PBRSB-eIBRS Not affected; BHI Not affected Vulnerability Srbds: Not affected Vulnerability Tsx async abort: Not affected Vulnerability Vmscape: Not affected ---> nproc: 2 ---> df -h: Filesystem Size Used Avail Use% Mounted on tmpfs 795M 1.1M 794M 1% /run /dev/vda1 38G 7.9G 30G 21% / tmpfs 3.9G 0 3.9G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock /dev/vda16 881M 117M 703M 15% /boot /dev/vda15 105M 6.2M 99M 6% /boot/efi tmpfs 795M 16K 795M 1% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 7941 743 5313 4 2173 7198 Swap: 1023 0 1023 ---> ip addr: 1: lo: mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000 link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 inet 127.0.0.1/8 scope host lo valid_lft forever preferred_lft forever inet6 ::1/128 scope host noprefixroute valid_lft forever preferred_lft forever 2: ens3: mtu 1458 qdisc mq state UP group default qlen 1000 link/ether fa:16:3e:c8:30:1e brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.175/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84140sec preferred_lft 84140sec inet6 fe80::f816:3eff:fec8:301e/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-6907) 04/23/26 _x86_64_ (2 CPU) 02:57:08 LINUX RESTART (2 CPU) 03:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 03:10:03 9.58 1.55 7.02 1.01 145.18 1123.60 340.75 03:20:01 1.22 0.01 1.21 0.00 0.07 15.38 0.24 03:30:01 1.39 0.00 1.38 0.02 0.00 17.98 0.40 Average: 4.07 0.52 3.21 0.34 48.59 386.99 114.21 03:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:10:03 5279828 7387876 384280 4.73 84152 2188336 620584 6.76 592672 1945984 384 03:20:01 5288112 7396688 375220 4.61 84316 2188696 620592 6.76 592648 1946508 164 03:30:01 5286488 7395588 376300 4.63 84476 2189048 621628 6.77 592896 1947020 240 Average: 5284809 7393384 378600 4.66 84315 2188693 620935 6.76 592739 1946504 263 03:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:10:03 lo 1.14 1.14 0.06 0.06 0.00 0.00 0.00 0.00 03:10:03 ens3 27.16 19.19 41.75 4.78 0.00 0.00 0.00 0.00 03:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:20:01 ens3 0.97 0.18 0.12 0.03 0.00 0.00 0.00 0.00 03:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:30:01 ens3 1.13 0.20 0.88 0.07 0.00 0.00 0.00 0.00 Average: lo 1.05 1.05 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 9.79 6.55 14.30 1.63 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-6907) 04/23/26 _x86_64_ (2 CPU) 02:57:08 LINUX RESTART (2 CPU) 03:00:01 CPU %user %nice %system %iowait %steal %idle 03:10:03 all 4.70 0.00 0.85 0.16 0.05 94.24 03:10:03 0 5.22 0.00 0.87 0.13 0.03 93.75 03:10:03 1 4.18 0.00 0.83 0.19 0.06 94.73 03:20:01 all 0.41 0.00 0.15 0.01 0.06 99.38 03:20:01 0 0.54 0.00 0.10 0.01 0.03 99.32 03:20:01 1 0.28 0.00 0.20 0.01 0.08 99.43 03:30:01 all 0.44 0.00 0.25 0.01 0.05 99.26 03:30:01 0 0.52 0.00 0.20 0.01 0.03 99.24 03:30:01 1 0.35 0.00 0.29 0.01 0.08 99.27 Average: all 1.86 0.00 0.42 0.06 0.05 97.62 Average: 0 2.10 0.00 0.39 0.05 0.03 97.43 Average: 1 1.61 0.00 0.44 0.07 0.07 97.80